LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dgttrs()

lapack_int LAPACKE_dgttrs ( int  matrix_layout,
char  trans,
lapack_int  n,
lapack_int  nrhs,
const double *  dl,
const double *  d,
const double *  du,
const double *  du2,
const lapack_int ipiv,
double *  b,
lapack_int  ldb 
)

Definition at line 36 of file lapacke_dgttrs.c.

40 {
41  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42  LAPACKE_xerbla( "LAPACKE_dgttrs", -1 );
43  return -1;
44  }
45 #ifndef LAPACK_DISABLE_NAN_CHECK
46  /* Optionally check input matrices for NaNs */
47  if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
48  return -10;
49  }
50  if( LAPACKE_d_nancheck( n, d, 1 ) ) {
51  return -6;
52  }
53  if( LAPACKE_d_nancheck( n-1, dl, 1 ) ) {
54  return -5;
55  }
56  if( LAPACKE_d_nancheck( n-1, du, 1 ) ) {
57  return -7;
58  }
59  if( LAPACKE_d_nancheck( n-2, du2, 1 ) ) {
60  return -8;
61  }
62 #endif
63  return LAPACKE_dgttrs_work( matrix_layout, trans, n, nrhs, dl, d, du, du2,
64  ipiv, b, ldb );
65 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
lapack_int LAPACKE_dgttrs_work(int matrix_layout, char trans, lapack_int n, lapack_int nrhs, const double *dl, const double *d, const double *du, const double *du2, const lapack_int *ipiv, double *b, lapack_int ldb)
lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda)
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
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